#include<bits/stdc++.h>
using namespace std;
int n;
int cnt[100005];
int main()
{
    freopen("duel.in","r",stdin);
    freopen("duel.out","w",stdout);
    int n;
    cin>>n;
    int ans=0;
    for(int i=1;i<=n;i++)
    {
        int a;
        cin>>a;
        cnt[a]++;
        ans=max(ans,cnt[a]);
    }
    cout<<ans<<endl;

    return 0;
}
